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Finding the Fourth Proportional to 92,606.91, 138,919.66 and 25,140.08

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Solution

The fourth proportional to 92,606.91, 138,919.66 and 25,140.08 is: 37,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,606.91 : 138,919.66 = 25,140.08 : x
  2. Step 2: Convert to fraction form
    92,606.91/138,919.66 = 25,140.08/x
  3. Step 3: Cross multiply
    92,606.91x = 138,919.66 × 25,140.08
  4. Step 4: Simplify right side
    92,606.91x = 3,492,451,650.42
  5. Step 5: Solve for x
    x = 3,492,451,650.42/92,606.91
  6. Step 6: Final answer
    x = 37,712.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.